US3228117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying or conditioning laundry goods and the like in batches
Assignee: Svenska Flaktfabriken AB
•
Filing: 1961-09-19
•
Granted: 1966-01-11
•
Expires: 1981-09-19
Abstract
No abstract record available.
Inventors
- 👤 Magnusson Folke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:53
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/02; F; F26; F26B; F26B11/00; F26B11/18; F26B11/181; F26B11/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
APPARATUS FOR DRYING OR CONDITIONING LAUNDRY GOODS OR THE LIKE IN BATCHES, COMPRISING A STATIONARY CASING, A PERFORATED CYLINDRICAL DRUM HAVING SPACED END WALLS, SAID DRUM ROTATABLY MOUNTED IN SAID CASING AND PROVIDED WITH LIFTING MEANS SECURED TO THE INNER PERIPHERY OF THE DRUM INTERMEDIATE SAID END WALLS, MEANS TO CONDITION AND CIRCULATE A GASEOUS TREATING MEDIUM THROUGH THE DRUM SUBSTANTIALLY IN A VERTICAL DIRECTION, MEANS DEFINING CONCERNTRICALLY-ARRANGED OPENINGS IN SAID END WALLS, SHUTABLE DOORS IN THE CASING IN REGISTRY WITH SAID OPENINGS FOR THE INTRODUCTION AND DISCHARGE OF THE GOODS TO BE TREATED, AND A BASE FRAMEWORK HAVING A PIVOT AXIS SUPPORTING SAID AP-
Claim 2
Dependent Claim
105 words
APPARATUS FOR DRYING OR CONDITIONING LAUNDRY GOODS OR THE LIKE IN BATCHES, COMPRISING A STATIONARY CASING, A PERFORATED CYLINDRICAL DRUM HAVING SPACED END WALLS, SAID DRUM ROTATABLY MOUNTED IN SAID CASING AND PROVIDED WITH LIFTING MEANS SECURED TO THE INNER PERIPHERY OF THE DRUM INTERMEDIATE SAID END WALLS, MEANS TO CONDITION AND CIRCULATE A GASEOUS TREATING MEDIUM THROUGH THE DRUM SUBSTANTIALLY IN A VERTICAL DIRECTION, MEANS DEFINING CONCERNTRICALLY-ARRANGED OPENINGS IN SAID END WALLS, SHUTABLE DOORS IN THE CASING IN REGISTRY WITH SAID OPENINGS FOR THE INTRODUCTION AND DISCHARGE OF THE GOODS TO BE TREATED, AND A BASE FRAMEWORK HAVING A PIVOT AXIS SUPPORTING SAID AP-
References Cited (Backward Citations)
US1720537A
Cited
US2041318A
Cited
US2543579A
Cited
US2627668A
Cited
US2802283A
Cited
US3020648A
Cited
US2959048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |